Make dex2oat heap size product configurable [frameworks/base]

Bug: 15919420
Change-Id: I9b7b4f60826fc9b0cc6bb3765ceaa36542425006
diff --git a/include/android_runtime/AndroidRuntime.h b/include/android_runtime/AndroidRuntime.h
index 3dfdb46..45aa745 100644
--- a/include/android_runtime/AndroidRuntime.h
+++ b/include/android_runtime/AndroidRuntime.h
@@ -116,6 +116,14 @@
 
 private:
     static int startReg(JNIEnv* env);
+    bool parseRuntimeOption(const char* property,
+                            char* buffer,
+                            const char* runtimeArg,
+                            const char* defaultArg = "");
+    bool parseCompilerRuntimeOption(const char* property,
+                                    char* buffer,
+                                    const char* runtimeArg,
+                                    const char* quotingArg);
     void parseExtraOpts(char* extraOptsBuf, const char* quotingArg);
     int startVm(JavaVM** pJavaVM, JNIEnv** pEnv);